Your glutathione vial is not a bad batch. Glutathione dissolves at 20 to 50 mg mL. When you add 2mL of water to a 600mg vial, that is 300 mg mL. The powder physically Glutathione Deficiency Symptoms: Is Poor Sleep Just the Beginning? Cardiology & Neurology Specialists located in Queens, Forest Hills and Brighton Beach, Brooklyn, NY Advanced Medical Care Amazon.com: KAL L Glutathione, Reduced Glutathione Supplement, High Absorption Antioxidant, Orange Flavor Instant Dissolve ActivMelt, Vegetarian, Lab Verified, 90 Servings, 90 Micro Tablets : Health & Household BioG Max GSH (Glutathione) Biogenetix Swanson L Glutathione Featuring Setria Glutathione 2 Pack Walmart.com Buy Reduced Glutathione Tablets Glutathione Benefits